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sh: Add macros for SH-4A 32-Bit Address Extended Mode

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Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
This commit is contained in:
Yoshihiro Shimoda 2009-03-03 15:11:08 +09:00 • committed by Nobuhiro Iwamatsu
parent 3e3eec39de
commit 6d84ae3956
1 changed files with 25 additions and 0 deletions
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25
include/asm-sh/cpu_sh4.h
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@ -54,4 +54,29 @@
# error "Unknown SH4 variant"
#endif
#if defined(CONFIG_SH_32BIT)
#define PMB_ADDR_ARRAY 0xf6100000
#define PMB_ADDR_ENTRY 8
#define PMB_VPN 24
#define PMB_DATA_ARRAY 0xf7100000
#define PMB_DATA_ENTRY 8
#define PMB_PPN 24
#define PMB_UB 9 /* Buffered write */
#define PMB_V 8 /* Valid */
#define PMB_SZ1 7 /* Page size (upper bit) */
#define PMB_SZ0 4 /* Page size (lower bit) */
#define PMB_C 3 /* Cacheability */
#define PMB_WT 0 /* Write-through */
#define PMB_ADDR_BASE(entry) (PMB_ADDR_ARRAY + (entry << PMB_ADDR_ENTRY))
#define PMB_DATA_BASE(entry) (PMB_DATA_ARRAY + (entry << PMB_DATA_ENTRY))
#define mk_pmb_addr_val(vpn) ((vpn << PMB_VPN))
#define mk_pmb_data_val(ppn, ub, v, sz1, sz0, c, wt) \
((ppn << PMB_PPN) | (ub << PMB_UB) | \
(v << PMB_V) | (sz1 << PMB_SZ1) | \
(sz0 << PMB_SZ0) | (c << PMB_C) | \
(wt << PMB_WT))
#endif
#endif /* _ASM_CPU_SH4_H_ */